[" 34.If "2tan10+tan50=2x,tan20+tan50=2y_(1)2tan10+tan70=2w" and "tan20+tan70=2z," then which "],[" of the following is/are true - "],[[" (A) "z>w>y>x," (B) "w=x+y," (D) "z+x=w+y]]

2tan10^(@)+tan50^(@)=2x,tan20^(@)+tan50^(@)=2y,2tan50^(@)+tan70^(@)=2w and tan20^(@)+tan70^(@)=2z which of the following is/true

If 2tan10^0+t a n 50^0=2x ,\ "tan"20^0+"tan"5060=2"y","\ "2"tan"10^0+"tan"7060=2"w\ and\ tan"20^0+"tan"70^0=2"z", then which of the following is/are true. a. z > w > y > x b. \ w=x+y c. \ 2y=z d. z+x=w+y

If 2a=2tan10^(@)+tan50^(@), 2b=tan20^(@)+tan50^(@) 2c=2tan10^(@)+tan70^(@), 2d=tan20^(@)+tan70^(@) Then which of the following is/are correct ?

If 2a=2tan10^(@)+tan50^(@), 2b=tan20^(@)+tan50^(@) 2c=2tan10^(@)+tan70^(@), 2d=tan20^(@)+tan70^(@) Then which of the following is/are correct ?

Prove that tan70=2tan50+tan20

tan20^(@)+2tan50^(@)=

Prove that tan70^@=tan20^@+2tan50^@

Show that tan50^@=tan40^@+2tan10^@

tan70^@-tan20^@-2tan40^@=